| 3ZTS: reference: An intersubunit disulfide bridge stabilizes the tetrameric nucleoside diphosphate kinase of Aquifex aeolicus., Boissier F, Georgescauld F, Moynie L, Dupuy JW, Sarger C, Podar M, Lascu I, Giraud MF, Dautant A, Proteins. 2012 Jun;80(6):1658-68. doi: 10.1002/prot.24062. Epub 2012 Mar 29. PMID: 22467275 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).